Licensed Septic Companies in Barnwell County, SC
14 septic companies serve Barnwell County, South Carolina, and 14 of them hold a South Carolina septic license or certification matched to the South Carolina Department of Environmental Services list (data as of October 2026).
Septic services in Barnwell County
Guides: Septic tank pumping · Septic system installation · Installation cost · Pumping cost
14 septic companies in Barnwell County
Barnwell 8
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Mlto Inc
533 Boiling Springs Road, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #02-367-02048 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
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Quality Septic Service
280 Lakewood Parkway, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #02-368-02047 (South Carolina Department of Environmental Services, verify)
Per state license: Pumping
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R&R LLC
12591 Us Highway 278, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0161 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
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Sargent's Septic and lot clearing
1591 Seven Pines Rd, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0271 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
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Still's Backhoe Service
573 Still Rd, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0055 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
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Superior Hardscapes & Excavation LLC
3037 Kingfisher Rd, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0644 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
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Wade'S Repair Service Inc
13534 Sc Highway 64, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #06-367-06035 (South Carolina Department of Environmental Services, verify)
- Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #06-368-06008 (South Carolina Department of Environmental Services, verify)
Per state license: Pumping · Installation
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William DeBruhl
180 Westfield St, Barnwell, SC 29812
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0381 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
Blackville 4
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Felica Renee Washington
1431 Sunshine Rd, Blackville, SC 29817
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #06-367-06034 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
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LRB Site Prep & Hauling, LLC
6114 Laurtigue St, Blackville, SC 29817
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #06-367-06033 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
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Owens Septic Tanks & Construction, LLC
1068 Magnolia Lane, Blackville, SC 29817
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #06-367-06037 (South Carolina Department of Environmental Services, verify)
- Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #OSWWP0200 (South Carolina Department of Environmental Services, verify)
Per state license: Pumping · Installation
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Troyer Excavating LLC
4101 Ready Branch Rd, Blackville, SC 29817
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #06-367-06036 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
Williston 2
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Allen's Septic Tank Services
262 Owens Street, Williston, SC 29853
- Licensed: South Carolina DES Licensed Septic Pumper/Hauler · #OSWWP0170 (South Carolina Department of Environmental Services, verify)
Per state license: Pumping
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Walls Lawncare and Landsacping
4424 Fellowship Road, Williston, SC 29853
- Licensed: South Carolina DES Licensed Septic Installer (Tier 2) · #OSWWI0508 (South Carolina Department of Environmental Services, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in South Carolina
South Carolina licenses septic installers in three tiers and licenses pumpers; licenses renew yearly. State law (S.C. Code 30-2-50) bars using this data for commercial solicitation. The South Carolina Department of Environmental Services issues these credentials: Tier 1, Tier 2 and Tier 3 installer licenses; Pumper/hauler license.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Barnwell County and whether the permit fee is in their quote.
South Carolina septic licensing: agencies, license types and how to check a license →
Septic companies in Barnwell County: common questions
How many licensed septic companies are in Barnwell County, SC?
14 septic companies serve Barnwell County, South Carolina, and 14 of them hold a South Carolina septic license or certification matched to the South Carolina Department of Environmental Services list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in South Carolina?
South Carolina licenses septic installers in three tiers and licenses pumpers; licenses renew yearly. State law (S.C. Code 30-2-50) bars using this data for commercial solicitation. The licensing body is the South Carolina Department of Environmental Services.
Which companies pump septic tanks in Barnwell County?
4 of the 14 listings in Barnwell County offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.
Which companies install septic systems in Barnwell County?
12 listings in Barnwell County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their South Carolina license.
How do I check a septic contractor's license in South Carolina?
Use the South Carolina Department of Environmental Services's lookup (https://scdes.maps.arcgis.com/apps/webappviewer/index.html?id=9585c719f5ea40e486f40e498a49dad3) and search the contractor's name or license number. Our guide to checking a septic license walks through it.